| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2007 | $21.08 | $21.27 | $18.49 | $19.54 | 75,005,100 |
November 2007 | $21.77 | $21.82 | $19.35 | $21.00 | 120,983,400 |
October 2007 | $21.63 | $24.39 | $21.49 | $22.11 | 99,351,600 |
September 2007 | $22.48 | $22.95 | $20.70 | $21.71 | 73,367,700 |
August 2007 | $20.73 | $22.92 | $19.26 | $22.44 | 125,673,300 |
July 2007 | $22.56 | $24.79 | $21.59 | $21.69 | 79,482,300 |
June 2007 | $23.09 | $23.70 | $21.42 | $22.56 | 85,824,300 |
May 2007 | $22.40 | $23.45 | $22.18 | $23.30 | 59,876,400 |
April 2007 | $20.50 | $22.75 | $20.21 | $22.34 | 73,083,300 |
March 2007 | $19.53 | $21.24 | $18.94 | $20.55 | 84,555,600 |
February 2007 | $20.37 | $21.53 | $19.56 | $19.93 | 54,103,200 |
January 2007 | $18.93 | $20.69 | $18.91 | $20.24 | 59,884,500 |
December 2006 | $18.07 | $19.46 | $17.73 | $18.72 | 57,710,400 |
November 2006 | $19.46 | $19.49 | $17.55 | $18.11 | 63,022,800 |
October 2006 | $17.90 | $19.51 | $17.56 | $19.33 | 72,331,200 |
September 2006 | $16.70 | $18.08 | $16.47 | $17.92 | 60,066,600 |
August 2006 | $15.41 | $16.93 | $15.25 | $16.68 | 62,541,300 |
July 2006 | $14.66 | $15.54 | $13.96 | $15.50 | 72,108,300 |
June 2006 | $15.22 | $15.44 | $13.57 | $14.71 | 97,174,200 |
May 2006 | $15.74 | $16.12 | $14.53 | $15.22 | 123,235,200 |
April 2006 | $16.08 | $16.64 | $15.61 | $15.76 | 54,494,100 |
March 2006 | $17.44 | $17.62 | $15.71 | $15.95 | 71,196,300 |
February 2006 | $16.56 | $17.61 | $15.73 | $17.35 | 55,046,100 |
January 2006 | $16.06 | $17.37 | $15.77 | $16.65 | 49,386,600 |
December 2005 | $15.91 | $16.66 | $15.83 | $15.89 | 50,932,200 |